75849094172 has 48 divisors (see below), whose sum is σ = 140339556000. Its totient is φ = 35770097664.

The previous prime is 75849094147. The next prime is 75849094177. The reversal of 75849094172 is 27149094857.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75849094177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17933354 + ... + 17937582.

It is an arithmetic number, because the mean of its divisors is an integer number (2923740750).

Almost surely, 2^75849094172 is an apocalyptic number.

It is an amenable number.

75849094172 is a deficient number, since it is larger than the sum of its proper divisors (64490461828).

75849094172 is a wasteful number, since it uses less digits than its factorization.

75849094172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5238 (or 5236 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 75849094172 in words is "seventy-five billion, eight hundred forty-nine million, ninety-four thousand, one hundred seventy-two".